<?php
/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */

/**
 * determines if a resource is secure or not.
 *
 * @param string $resource_type
 * @param string $resource_name
 * @return boolean
 */

//  $resource_type, $resource_name

function smarty_core_is_secure($params, &$smarty) {
  if (!$smarty->security || $smarty->security_settings['INCLUDE_ANY']) {
    return true;
  }

  if ($params['resource_type'] == 'file') {
    $_rp = realpath($params['resource_name']);
    if (isset($params['resource_base_path'])) {
      foreach ((array)$params['resource_base_path'] as $curr_dir) {
        if ( ($_cd = realpath($curr_dir)) !== false &&
            strncmp($_rp, $_cd, strlen($_cd)) == 0 &&
            substr($_rp, strlen($_cd), 1) == DIRECTORY_SEPARATOR ) {
          return true;
        }
      }
    }
    if (!empty($smarty->secure_dir)) {
      foreach ((array)$smarty->secure_dir as $curr_dir) {
        if ( ($_cd = realpath($curr_dir)) !== false) {
          if($_cd == $_rp) {
            return true;
          } elseif (strncmp($_rp, $_cd, strlen($_cd)) == 0 &&
              substr($_rp, strlen($_cd), 1) == DIRECTORY_SEPARATOR) {
            return true;
          }
        }
      }
    }
  } else {
  // resource is not on local file system
    return call_user_func_array(
    $smarty->_plugins['resource'][$params['resource_type']][0][2],
    array($params['resource_name'], &$smarty));
  }

  return false;
}

/* vim: set expandtab: */

?>
